Route 4001 Bridge
Route 4001 Bridge is a public boat ramp in South Branch, MI on Au Sable River. Route 4001 Bridge is a public boat ramp on Au Sable River located near South Branch, Michigan. Open to the public.
Ramp details
- Address: South Branch, MI
- GPS coordinates: 44.61160, -83.83680
- Water body: Au Sable River
- Ramp type: concrete
- Launch fee: free to launch
- Amenities: Boat Launch, Public Access